Cita APA (7th ed.)

Spalek, J. M., & Strelka, J. (1989). New York. Francke.

Cita Chicago (17th ed.)

Spalek, John M., i Joseph Strelka. New York. Bern ; München: Francke, 1989.

Cita MLA (8th ed.)

Spalek, John M., i Joseph Strelka. New York. Francke, 1989.